The area of an equilateral triangle is4√3 m² . Find its perimeter.
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Answers
Answered by
1
Correct option is
A
120m
Let side of triangle=am
∴ area of equilateralΔ=
4
3
a
2
4
3
a
2
=400
3
a
2
=1600
a=
1600
=40m
∴ perimeter of equilateral Δ=3a
=3×40=120m
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5
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